Discrete Probability Models

1 4 probability of event if e s1 s2

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Unformatted text preview: . . . = 1 4 Probability of event: If E = {s1 , s2 , . . . , sk }, Pr(E ) = Pr(s1 ) + Pr(s2 ) + Pr(s3 ) + . . . + Pr(sk ) Math 30530 (Fall 2012) Discrete models August 28, 2013 2/2 Discrete probability models 1 Experiment: finitely many outcomes, or countably (listably) many 2 Sample space: Ω = {s1 , s2 , s3 , . . . , sn } or Ω = {s1 , s2 , s3 , . . .} 3 Probabilities: Pr(s1 ), Pr(s2 ), Pr(s3 ), . . ., assigned based on analysis of experiment, with each Pr(si ) ≥ 0 and Pr(s1 ) + Pr(s2 ) + Pr(s3 ) +...
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